docs: def read(self, section, option):
          """Read from file.
  
          Parameters
          ----------
          section : string
              Section.
          option : string
              Option.
  
          Returns
          -------
          string
              Value.
          """
          self.config.read(self.filepath)
          raw = self.config.get(section, option)
          out = tidy_headers._parse_item.string2item(raw, sep=", ")
          return out